Capping machinery

Details Capping machinery Capping machinery

1978-11-14

1981-02-10

Culver, Horace M.

Package making

Methods

Closing package or filled receptacle

533315, B67B 320, B65B 728

Patent

active

042493625

ABSTRACT:
A method for applying a threaded closure to a container, said closure having sealing means in or towards the crown thereof, which method comprises applying the closure to the container by the application of a predetermined rotary torque thereto, continuing the application of the closure to the container until the desired torque applied is obtained and thereafter applying axial pressure to the closure crown towards and on to the container while simultaneously applying said torque whereby the closure pressure serves to disengage the threads to overcome at least some of the friction therebetween to permit a greater proportion of the applied torque to be applied to the sealing means within the closure.

REFERENCES:
patent: 2559358 (1951-07-01), Hullhorst et al.
patent: 2660355 (1953-11-01), Allen
patent: 3913301 (1975-10-01), Keller et al.

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